Conjunctivitis

Etiology

Viral infection, e.g., adenovirus
Bacterial infection, e.g., Staphylococcus, Streptococcus, Haemophilus, Pseudomonas, Moraxella, Chlamydia, gonococci
Allergic conjunctivitis
Reactive arthritis (Reiter’s syndrome)
Keratoconjunctivitis sicca (dry eyes)
Chemical irritants
Systemic disease, e.g., measles, Kawasaki disease, epidemic or scrub typhus, trichinosis

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